Confluent平台7.1是否基于Kafka免费？开源？用于生产
我有USECASE开始使用Kafka，并正在寻找免费（生产）Kafka。
当Check Confluent 7.1平台看起来很合适，因为它具有Zookeeper / kafka / schema注册表 / kafka ui捆绑在一起。
在决定继续之前，只想检查Confluent Platform 7.1是否是免费的和开源的？我是否需要购买许可或付费支持？
I have usecase to start using Kafka and was looking for opensource free (production) kafka.
When check Confluent 7.1 platform looks suitable as it has zookeeper / kafka / schema registry / kafka UI bundled together.
Before deciding to go ahead with it just want to check if the Confluent Platform 7.1 is free and open source? Am I required to purchase licensing or paid support?
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Confluent社区许可涵盖了汇合平台的几个组件，包括KSQLDB，schema注册表，REST代理和各种Kafka Connect插件。 Confluent Control Center（您称之为KAFKA UI）仅在审判基础上可用，在此之外需要企业许可证付款。
大多数汇合平台单个组件都是“源可用的”，并且有限制。 RBAC，分层存储，群集链接和服务器端KAFKA记录架构验证等许多插件都需要付款。这是一个企业许可证，还包括控制中心，呼叫支持和其他几个连接器。
Apache Kafka，它的客户和Zookeeper是Apache 2.0许可的。
如果您想要完全Apache 2.0堆栈，则可以用Apicurio替换Contruent模式注册表，并用GitHub上存在的各种Kafka GUI项目替换控制中心，例如Akhq或CMAK
The Confluent Community License covers several components of Confluent Platform, including KSQLDB, the Schema Registry, REST Proxy, and various Kafka Connect plugins. Confluent Control Center (what you call Kafka UI) is only available on a trial basis, outside of which requires Enterprise license payment.
Majority of Confluent Platform individual components are "source-available", and free with limitations. Many of the plugin features like RBAC, Tiered Storage, Cluster Linking, and server-side Kafka record Schema Validation require payment. This is an Enterprise license and also includes Control Center, on-call Support, and several other connectors.
Apache Kafka, it's clients, and Zookeeper are Apache 2.0 licensed.
If you want a completely Apache 2.0 stack, you can replace Confluent Schema Registry with Apicurio and replace Control Center with various Kafka GUI projects that exist on Github, such as AKHQ or CMAK